title: Case for diagnosis. Rectal bleeding.
mesh_terms: D001466:Barium Sulfate / Q000009:adverse effects*; D004733:Enema / Q000009:adverse effects*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D012007:Rectum
chemical_list: D001466:Barium Sulfate